2010 Swiss Gemmological Conference presentation by Jean-Pierre Chalain on diamond grading and testing practices at the Swiss Gemmological Institute (SSEF).
Origin Determination of Gemstones: Challenges and Perspectives. Published in GIT Proceedings, 2006.
Author(s): M.S. Krzemnicki, H.A. Haenni, P. Lefevre, J.-P. Chalain
Three historical asteriated hydrogen rich diamonds: growth history and sector-dependent impurity incorporation. Published in Diamonds & related materials, 2004.
Author(s): B. Rondeau, E. Fritsch, M. Guiraud, J.-P. Chalain, F. Notari
Pezzottaite, a new mineral and gem. Published in Journal of Gemmology, 2004.
Author(s): H.A. Haenni, M.S. Krzemnicki
Element mapping of trapiche rubies. Published in Journal of Gemmology, 1999.
Author(s): K. Schmetzer, Z. Beili, G. Yan, H.-J. Bernhardt, H.A. Haenni
Distinction of taaffeite and musgravite. Published in Journal of Gemmology, 1998.
Author(s): L. Kiefert, K. Schmetzer
Short notes on some gemstone treatments. Published in GAHK Journal, 1998.
Author(s): H.A. Haenni
Graeserite, a new mineral species from the derbylite group from the Monte Leone nappe, Binntal region, eastern Alps, Switzerland. Published in Canadian Mineralogist, 1998.
Author(s): M.S. Krzemnicki, E. Reusser
A Raman microscope in the gemmological laboratory: first experiences of application. Published in Journal of Gemmology, 1997.
Author(s): H.A. Haenni, L. Kiefert, J.-P. Chalain
New fracture-filling materials have replaced oil. Published in ICA Gazette, 1992.
Author(s): H.A. Haenni